OSG Spiral Flute Tap: 9/16"-18 UNF, H3 / 2B-3B, 4 Flute
SKU 3G-OTH-229937
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG spiral flute tap 9/16"-18 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its 4-flute design and modified bottoming chamfer allow chips to be pulled upward, reducing clogging and ensuring clean threads in production machining, automotive, and general manufacturing applications.
What are the specifications of the OSG tap MPN 2948801?
The OSG tap MPN 2948801 is a 9/16"-18 UNF spiral flute tap with a H3 / 2B-3B tolerance class, 4 flutes, and a modified bottoming chamfer. It is designed for threading blind holes to a 2B-3B fit, suitable for general purpose tapping in steel, aluminum, and cast iron.
Where to buy OSG taps like 2948801 worldwide?
3G Electric supplies OSG taps including the 2948801 to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like this OSG 9/16"-18 UNF tap. The spiral flutes push chips upward, preventing packing at the hole bottom. Ensure the tap's thread class (e.g., H3 / 2B-3B) matches your required fit tolerance for consistent thread quality.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
